Home / 805,599.86-1,111,413.15-461,251.76

Finding the Fourth Proportional to 805,599.86, 1,111,413.15 and 461,251.76

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Solution

The fourth proportional to 805,599.86, 1,111,413.15 and 461,251.76 is: 636,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,599.86 : 1,111,413.15 = 461,251.76 : x
  2. Step 2: Convert to fraction form
    805,599.86/1,111,413.15 = 461,251.76/x
  3. Step 3: Cross multiply
    805,599.86x = 1,111,413.15 × 461,251.76
  4. Step 4: Simplify right side
    805,599.86x = 512,641,265,967.58
  5. Step 5: Solve for x
    x = 512,641,265,967.58/805,599.86
  6. Step 6: Final answer
    x = 636,347.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.